mp3_frame_hdr_t Struct Reference

Decoded fields of one MPEG Layer III frame header. More...

#include <mp3_frame.h>

Data Fields
uint32_t	rate_hz
uint32_t	bitrate_bps
uint16_t	samples_per_frame
uint8_t	channels
uint8_t	side_info_bytes

Detailed Description

Decoded fields of one MPEG Layer III frame header.

Field Documentation

bitrate_bps

uint32_t mp3_frame_hdr_t::bitrate_bps

Nominal bitrate of this frame in bits/s (0 = "free").

channels

uint8_t mp3_frame_hdr_t::channels

1 (mono) or 2.

rate_hz

uint32_t mp3_frame_hdr_t::rate_hz

Sample rate in Hz.

samples_per_frame

uint16_t mp3_frame_hdr_t::samples_per_frame

PCM samples per channel in this frame (576 or 1152).

side_info_bytes

uint8_t mp3_frame_hdr_t::side_info_bytes

Side-information size = offset of a Xing/Info tag.

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The documentation for this struct was generated from the following file:

• components/services/audio/mp3_frame.h